Date: Wed, 9 May 2012 10:48:40 +0000 (UTC) From: Peter Holm <pho@FreeBSD.org> To: src-committers@freebsd.org, svn-src-projects@freebsd.org Subject: svn commit: r235161 - projects/stress2/misc Message-ID: <201205091048.q49Amep6078102@svn.freebsd.org>
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Author: pho Date: Wed May 9 10:48:40 2012 New Revision: 235161 URL: http://svn.freebsd.org/changeset/base/235161 Log: Added regression test for sndstat. Added: projects/stress2/misc/sndstat.sh (contents, props changed) Added: projects/stress2/misc/sndstat.sh ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ projects/stress2/misc/sndstat.sh Wed May 9 10:48:40 2012 (r235161) @@ -0,0 +1,141 @@ +#!/bin/sh + +# +# Copyright (c) 2012 Peter Holm <pho@FreeBSD.org> +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# 1. Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# 2. Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution. +# +# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND +# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE +# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +# SUCH DAMAGE. +# +# $FreeBSD$ +# + +# Test of access to /dev/sndstat + +# Permanent "/dev/sndstat: Device busy" seen. +# "panic: sbuf_put_byte called with finished or corrupt sbuf" seen. +# Fixed in r234932 + +. ../default.cfg + +[ -r /dev/sndstat ] || exit 1 + +here=`pwd` +cd /tmp +sed '1,/^EOF/d' < $here/$0 > sndstat.c +cc -o sndstat -Wall -Wextra sndstat.c -lpthread +rm -f sndstat.c + +/tmp/sndstat > /dev/null + +rm -f /tmp/sndstat +exit 0 +EOF +#include <sys/types.h> +#include <strings.h> +#include <dirent.h> +#include <err.h> +#include <fcntl.h> +#include <stdio.h> +#include <stdlib.h> +#include <sys/syscall.h> +#include <sys/uio.h> +#include <unistd.h> +#include <sys/wait.h> +#include <pthread.h> + +int fd; +char path[] = "/dev/sndstat"; + + +void * +test1(void *arg __unused) +{ + + int sfd, i, n; + char buf[512]; + + n = 0; + for (i = 0; i < 5; i++) { + if ((sfd = open(path, O_RDONLY)) == -1) + continue; + + read(sfd, buf, sizeof(buf)); + fprintf(stdout, "%s\n", buf); + + n++; + close(sfd); + } + if (n == 0) { + if ((sfd = open(path, O_RDONLY)) == -1) + warn("FAIL open(%s)", path); + if (sfd > 0) + close(sfd); + } + + return (0); +} + +void * +test2(void *arg __unused) +{ + char buf[512]; + + bzero(buf, sizeof(buf)); + if (read(fd, buf, sizeof(buf)) != -1) + fprintf(stdout, "%s\n", buf); + else + warn("read()"); + + return (0); +} + +int +main(void) +{ + pthread_t rp[10]; + int i, j; + + /* Parallel open test */ + for (i = 0; i < 10; i++) { + if (pthread_create(&rp[i], NULL, test1, NULL) != 0) + perror("pthread_create"); + } + for (i = 0; i < 10; i++) + pthread_join(rp[i], NULL); + + /* Parallel read test */ + for (i = 0; i < 10; i++) { + if ((fd = open(path, O_RDONLY)) == -1) { + warn("open()"); + continue; + } + for (j = 0; j < 4; j++) + if (pthread_create(&rp[j], NULL, test2, NULL) != 0) + perror("pthread_create"); + for (j = 0; j < 4; j++) + pthread_join(rp[j], NULL); + + close(fd); + } + + return (0); +}
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